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#!/usr/bin/env python
# -*- coding: utf-8 -*-
"""
Syslog built-in backend.
"""
__author__ = "Paul Durrant <paul.durrant@citrix.com>"
__copyright__ = "Copyright 2016, Citrix Systems Inc."
__license__ = "GPL version 2 or (at your option) any later version"
__maintainer__ = "Stefan Hajnoczi"
__email__ = "stefanha@redhat.com"
from tracetool import out
PUBLIC = True
def generate_h_begin(events):
out('#include <syslog.h>',
'#include "trace/control.h"',
'')
def generate_h(event):
argnames = ", ".join(event.args.names())
if len(event.args) > 0:
argnames = ", " + argnames
if "vcpu" in event.properties:
# already checked on the generic format code
cond = "true"
else:
cond = "trace_event_get_state(%s)" % ("TRACE_" + event.name.upper())
out(' if (%(cond)s) {',
' syslog(LOG_INFO, "%(name)s " %(fmt)s %(argnames)s);',
' }',
cond=cond,
name=event.name,
fmt=event.fmt.rstrip("\n"),
argnames=argnames)
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